The post office recorded the weights of packages sent on a particular day and used the results to construct a histogram. Use the histogram to solve the problem. 
0-910-1920-2930-39Weight of Package (pounds)How many packages weighed between 20 and 29 pounds?
A. 11 packages
B. 7 packages
C. 6 packages
D. 2 packages
Answer: D
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Let U = {all soda pops}, A = {all diet soda pops},B = {all cola soda pops}, C = {all soda pops in cans},and D = {all caffeine-free soda pops}. Describe theset in words.A ? B ? D
A. All diet and all cola and all caffeine-free soda pops B. All diet, caffeine-free cola soda pops C. All diet, caffeine-free cola pops in cans D. All soda pops not in cans
Find the derivative.s = t2 - cos t + 2et
A. 
= t + sin t + 2et
B. 
= 2t + sin t + 2et
C. 
= 2t - sin t + 2et
D. 
= 2t + sin t - 2et
The calculator graphs shows the x-values of the x-intercepts of the graph of the polynomial in the equation. Use the graphs to solve the equation.4x2 -19x -5 = 0
A. {-0.25, 5} B. {-5, 0.25} C. {4, -5} D. {-1, 20}
Fill in the blank with one of the words or phrases listed below.
The fraction 
is 
.
A. equivalent B. simplest form C. undefined D. 0